<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box"><img src="../assets/logo.png" alt="" /></div>
         <!-- 登录表单 -->
       <div>
      <el-form ref="LoginFormRef" class="login_form" :model="loginForm" :rules="loginFormRule">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input  prefix-icon="iconfont icon-zhanghao" v-model="loginForm.username" ></el-input>
        </el-form-item>
        <!-- 密码 -->
         <el-form-item  prop="password">
          <el-input  prefix-icon="iconfont icon-mima" v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item  class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    </div>
 
   
  </div>
</template>

<script>

export default {
  data(){
    return{
      loginForm:{
        username:"",
        password:""
      },
      loginFormRule:{
        username:[
          {required:true,message:"请输入用户名",trigger:"blur"},
          {min:3,max:10,message:"用户名长度在3到10个字符",trigger:"blur"}
        ],
        password:[
          {required:true,message:"请输入密码",trigger:"blur"}
        ]
      }
    }
  },
  methods: {
    resetLoginForm(){
      this.$refs.LoginFormRef.resetFields()
    },
    login(){
      this.$refs.LoginFormRef.validate( async valid=>{
        if(!valid){
        return
        }
        const {data:res} = await this.$http.post("login",this.loginForm)
        if(res.meta.status!== 200) {
          this.$message.error("登录失败，用户名或密码错误")
        }else{
          this.$message.success("登陆成功")
          sessionStorage.setItem("token",res.data.token)
          this.$router.push("/home")
        }
      })
    }
  },
};
</script>

<style scoped lang="less">
.login_container {
  position: relative;
  height: 100%;
  background-color: #2b4b6b;
  .login_box {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    .avatar_box {
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 130px;
      height: 130px;
      padding: 10px;
      background-color: #fff;
      border: 1px solid #eee;
      border-radius: 50%;
      box-shadow: 0 0 10px #ddd;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
}
.login_form{
  box-sizing: border-box;
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
</style>
